This study aimed to determine the effect of auxin and cytokinin concentrations as plant growth regulators (PGR) on the organogenesis of corn plants in vitro. This research was conducted from June to September 2021 in the plant tissue culture laboratory of Cokroaminoto University, Palopo City, South Sulawesi, Indonesia. The research method was a completely randomized design (CRD) consisting of 15 experimental units, i.e., P0 (control), P1 (2 ml NAA (naphthaleneacetic acid) + 1 ml BAP (benzylaminopurine)), P2 (2 ml NAA + 1.5 ml BAP), P3 (2 ml NAA + 2 ml BAP), and P4 (2 ml NAA + 2.5 ml BAP). The results revealed that the administration of auxin and cytokinin plant growth regulators had a significant effect on the parameters of germination age and plantlet weight, but it had no significant effect on the parameters of plant height, number of roots, root length, and number of leaves. The effective concentration of auxin and cytokinin growth regulators on the organogenesis of corn plants was P2 (2 ml NAA + 1.5 ml BAP) on the parameters of 11 cm plant height, 7 root strands, 1 leaf, and 1 gram plantlet weight. This was due to the influence of the given concentration of PGR, which plays multiple important roles in plant development.
Penelitian ini bertujuan untuk mengetahui pengaruh pemberian dan dosis ekstrak bawang merah yang efektif terhadap keberhasilan sambung pucuk tanaman kakao.
This study aimed to observe (1) The formation of parthenocarpy fruit in cucumber with the application of Giberelin hormone and (2) the concentration of Giberelin to form the parthenocarpy fruit on cucumber. This study was held at campus 2 trial land, Faculty of Agriculture Cokroaminoto University, Palopo. The method used in this study was group randomized design method with five treatments and three replications, i.e P0 (without Giberelin application), P1 (200 mg/L Giberelin), P2 (250 mg/L Giberelin), P3 (300 mg/L Giberelin) and P4 (350 mg/L Giberelin). The result showed that the application of Giberelin with 350 mg/L concentration (P4) significantly affected the formation of parthenocarpy fruit on the number of seed produced with 379.96 seeds. The highest number of seeds produced was observed in control treatment (P0) with 496.27 seeds. Furthermore, the fruit fresh weight, diameter, and length had no significant difference
This study aims to determine the effect and concentration of liquid fertilizer prepared from fruit and vegetable waste on the growth and yield of peanut plants. This research was carried out in the Experimental Field of the Faculty of Agriculture, University of Cokroaminoto Palopo, Jalan Lamaranginang, Batupasi Village, Wara Utara District, Palopo City. The experimental method used was a randomized block design (RBD) consisting of 5 treatments and 4 replications to comprise 20 experimental units. Each experimental unit consisted of 2 plant units so that there were 40 plant samples. The parameters observed were plant height, flowering age, root length, pod weight and the number of seeds. The results showed that the application of liquid fertilizer prepared from fruit and vegetable waste had a significant effect on the growth and yield of peanut plants. The effective concentration of fruit and vegetable waste liquid fertilizer was P4 (250 mL.L-1 water) that produced the best plant height with an average value of 20.93 cm, the average age of flowering was 33 days, the average root length was 4.49 cm, and the best average pods (22.77 grams), while a concentration of 200 mL.L-1 water (P3) produced the best average number of seeds (340.25 seeds).
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